As of the census of 2000, there were 352 people, 143 households, and 96 families residing in the city. The population density was 323.6/km sq (830.9/mi sq). There were 149 housing units at an average density of 137.0/km sq (351.7/mi sq). The racial makeup of the city was 98.58% White, 0.28% Native American, and 1.14% from two or more races. There were 143 households out of which 32.2% had children under the age of 18 living with them, 58.0% were Marriagemarried couples living together, 7.7% had a female householder with no husband present, and 32.2% were non-families. 29.4% of all households were made up of individuals and 16.8% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 3.05. In the city the population was spread out with 26.1% under the age of 18, 6.5% from 18 to 24, 27.8% from 25 to 44, 25.6% from 45 to 64, and 13.9% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 91.3 males. For every 100 females age 18 and over, there were 92.6 males. The median income for a household in the city was $41,250, and the median income for a family was $50,000. Males had a median income of $36,458 versus $26,563 for females. The per capita income for the city was $17,643. None of the families and 2.8% of the population were living below the poverty line, including no under eighteens and 9.3% of those over 64. Source: http://en.wikipedia.org/wiki/Runnells%2C_Iowa